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Table 1 Identification of compounds found in the dense layers by means of XRD and micro-Raman spectroscopy (X = compound is present)

From: Microstructure and long-term corrosion of archaeological iron alloy artefacts

  Magnetite/Maghemite
Fe3O4/γ-Fe2O3
Goethite
α-FeO(OH)
Lepidocrocite
γ-FeO(OH)
Akaganeite
β-FeO(OH,Cl)
Hematite
α-Fe2O3
Siderite
FeCO3
Ferrite
Fe
Cementite
Fe3C
Object #1XRD (phase %)18.925.765.5/1.739.4/
RamanXXXX/XX//
Object #2XRD (phase %)21.634/21.2//19.73.5
RamanX/XXX////
Object #3XRD (phase  %)48.850.6////0.6/
RamanX/XXX////
Object #4XRD (phase  %)19.451.91.9///26.8/
RamanX/X//////